30994600

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 89860320

約数和(自身を除く): 58865720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 91, 100, 104, 130, 131, 140, 169, 175, 182, 200, 260, 262, 280, 325, 338, 350, 364, 455, 520, 524, 650, 655, 676, 700, 728, 845, 910, 917, 1048, 1183, 1300, 1310, 1352, 1400, 1690, 1703, 1820, 1834, 2275, 2366, 2600, 2620, 3275, 3380, 3406, 3640, 3668, 4225, 4550, 4585, 4732, 5240, 5915, 6550, 6760, 6812, 7336, 8450, 8515, 9100, 9170, 9464, 11830, 11921, 13100, 13624, 16900, 17030, 18200, 18340, 22139, 22925, 23660, 23842, 26200, 29575, 33800, 34060, 36680, 42575, 44278, 45850, 47320, 47684, 59150, 59605, 68120, 85150, 88556, 91700, 95368, 110695, 118300, 119210, 154973, 170300, 177112, 183400, 221390, 236600, 238420, 298025, 309946, 340600, 442780, 476840, 553475, 596050, 619892, 774865, 885560, 1106950, 1192100, 1239784, 1549730, 2213900, 2384200, 3099460, 3874325, 4427800, 6198920, 7748650, 15497300, 30994600]

約数ペア:

[(1, 30994600), (2, 15497300), (4, 7748650), (5, 6198920), (7, 4427800), (8, 3874325), (10, 3099460), (13, 2384200), (14, 2213900), (20, 1549730), (25, 1239784), (26, 1192100), (28, 1106950), (35, 885560), (40, 774865), (50, 619892), (52, 596050), (56, 553475), (65, 476840), (70, 442780), (91, 340600), (100, 309946), (104, 298025), (130, 238420), (131, 236600), (140, 221390), (169, 183400), (175, 177112), (182, 170300), (200, 154973), (260, 119210), (262, 118300), (280, 110695), (325, 95368), (338, 91700), (350, 88556), (364, 85150), (455, 68120), (520, 59605), (524, 59150), (650, 47684), (655, 47320), (676, 45850), (700, 44278), (728, 42575), (845, 36680), (910, 34060), (917, 33800), (1048, 29575), (1183, 26200), (1300, 23842), (1310, 23660), (1352, 22925), (1400, 22139), (1690, 18340), (1703, 18200), (1820, 17030), (1834, 16900), (2275, 13624), (2366, 13100), (2600, 11921), (2620, 11830), (3275, 9464), (3380, 9170), (3406, 9100), (3640, 8515), (3668, 8450), (4225, 7336), (4550, 6812), (4585, 6760), (4732, 6550), (5240, 5915)]